BUZZ-Salix Pharma Ltd: Valeant close to takeover bid - source
** Drugmaker's shares up 4 pct at $156.90
** Canada's Valeant Pharmaceuticals International Inc could acquire bowel drug maker Salix for around $160 per share as early as next week, Reuters reported on Friday, citing a source
** Valeant's U.S.-listed stock climbs as much as 3.1 pct to record high of $174.43; Canadian shares up as much as 3.4 pct to life high of C$218.57
** Reuters exclusively reported last week that Endo International Plc had expressed interest in buying Salix a number of times, but had been rebuffed
** Britain's Shire Plc is also keen on Salix, sources had told Reuters earlier
** Up to Thursday's close, stock had risen more than 19 pct since Jan. 28, when Salix announced it was restating its results for the past seven quarters
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